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Marquise|Natural|GIA

1.02ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1553991713

Certificate GIA 1553991713

Diamond specifications and retailer prices

From £1,748 GBP
As of November 5, 2026
Save £5,684 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £7,433 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553991713. Listed at 14 retailers as of November 2, 2026, with prices from £1,748 to £7,433, a £5,684 spread on the same certified stone. MOH London lists it at £7,433. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1553991713
Dimensions10.09 × 5.31 × 3.39 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.09 mm5.31 mm1.02 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1553991713
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £7,433 GBP|Low: £1,748 GBP|High: £7,433 GBP|Avg: £3,209 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6£1,748 GBP
Retailer 2£2,557 GBP
Retailer 4£2,710 GBP
Retailer 7£4,656 GBP
Retailer 11£4,677 GBP
Retailer 8£4,920 GBP
Retailer 10£5,045 GBP
Retailer 9£5,163 GBP
Retailer 3£5,821 GBP
Retailer 5£6,155 GBP
MOH London£7,433 GBP

41 data points across 11 retailers

14 retailers£1,748 GBP to £7,433 GBP

A
Cheapest Retailer
-
£1,748 GBP
A
Retailer 2
-
£1,958 GBP
View
B+
Retailer 3
-
£2,506 GBP
View
B+
Retailer 4
-
£2,519 GBP
View
A
Retailer 5
-
£2,557 GBP
View
B+
Retailer 6
-
£2,710 GBP
View
B
Retailer 7
-
£4,656 GBP
View
Final sale: no returns
B
Retailer 8
-
£4,677 GBP
View
B
Retailer 9
-
£4,920 GBP
View
B
Retailer 10
-
£5,045 GBP
View
B
Retailer 11
-
£5,163 GBP
View
B
Retailer 12
-
£5,821 GBP
View
B
Retailer 13
-
£6,155 GBP
View
Most Expensive
B
MOH London
593928FA8 · Nov 2
£7,433 GBP
View
13 more retailers have this diamond
Prices start from £1,748 GBPSave up to £5,684 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.02ct Marquise
£1,748 GBP